Leaf-spring bender
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 29, 1991
Grant Date -
N/A
app pub date -
Jan 12, 1990
filing date -
Jan 21, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for bending a leaf spring from a generally straight into an arcuate shape has a frame and a lower jaw assembly on the frame including a fixed central jaw having a flat upper face and a pair of normally curved side jaws flanking the central jaw, each formed by a group of shape-defining fingers, and pivotal about an axis generally centrally between them between a position defining an angle of about 180.degree. and a position defining an angle substantially smaller than 180.degree.. An upper jaw assembly on the frame includes a vertically displaceable central jaw having a generally flat lower face above the lower central jaw, a pair of normally curved side jaws flanking the upper central jaw above the lower side jaws and each formed by a group of shape-defining fingers, and structure supporting the upper side jaws for angular movement about generally parallel axes adjacent the upper central jaw. Thus the upper side jaws can be positioned generally parallel to the lower side jaws. The upper central jaw can be displaced vertically down on the frame toward the lower central jaw and thereby clamping a middle of a generally straight workpiece blank between the faces and the upper side jaws can also be displaced on the frame toward the lower jaws to bend down ends of the workpiece clamped between the central jaws.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FRIED KRUPP AG HOESCH-KRUPP | 45143 ESSEN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Schulte, Helmut | Ennepetal-Voerde, DE | 21 | 228 |
# of filed Patents : 21 Total Citations : 228 |
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Patent Citation Ranking
- 5 Citation Count
- B21D Class
- 0 % this patent is cited more than
- 34 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Oct 26, 2005 | FPAY | FEE PAYMENT | year of fee payment: 12 |
Jan 31, 2003 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NATIONAL FORGE COMPANY;REEL/FRAME:015747/0001 Owner name: ELLWOOD NATIONAL INVESTMENT CORP., DELAWARE Effective Date: Jan 31, 2003 |
Sep 26, 2001 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Apr 06, 1998 | AS� | SECURITY INTEREST | free format text: SECURITY AGREEMENT;ASSIGNORS:NATIONAL FORGE COMPANY;NATIONAL FORGE COMPANY HOLDINGS, INC.;NATIONAL FORGE COMPONENTS, INC.;AND OTHERS;REEL/FRAME:009235/0572 Owner name: CHASE MANHATTAN BANK, THE, NEW YORK Effective Date: Apr 06, 1998 |
Jun 02, 1997 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jun 29, 1995 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NATIONAL FORGE COMPANY;REEL/FRAME:007764/0823 Owner name: NFIP, INC., PENNSYLVANIA Effective Date: Jun 29, 1995 |
Jun 29, 1995 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NFIP, INC.;REEL/FRAME:007603/0623 Owner name: CHEMICAL BANK, AS COLLATERAL AGENT, NEW YORK Effective Date: Jun 29, 1995 |
Jun 29, 1995 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NATIONAL FORGE COMPANY;REEL/FRAME:007588/0399 Owner name: NFIP, INC., CALIFORNIA Effective Date: Jun 29, 1995 |
Apr 26, 1994 | I | Issuance | |
Dec 23, 1993 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: APPLICATION UNDERGOING PREEXAM PROCESSING |
Apr 12, 1993 | F | Filing | |
Mar 12, 1990 | PD | Priority Date |

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